Rrs peters co



(No Model.) s Sheets-Sheet 1.

A. N. PETIT.

TYPE WRITING MACHINE.

No. 482,317. Patented Sept; 6, 1892.

#z Qgwi ATTORNEY.

Tm: uonms "vans cc, mow-mum, wAsmuaYcN, n. c

(No Model.) a Sheets-Sheet 2.

A. N. PETIT. TYPE WRITING MAGHINE.

No. 482,317. Patented Sept. 6, 1892.

M/VE/VTUR L ukflel'it 'A 170mm.

m: mums PETE co., mono-mum, wmlmau, n. c.

(No Model.) 3 Sheets-Sheet 3 A. N; PETIT.

TYPE WRITING MA UHINE.

No. 482,317. Patented Sept. 6, 1892.

WITNESSES:

ATTORNEY.

UNITED I STATES PATENT OFFICE.

ADEMOR N. PETIT, OF NEW YORK, N. Y.

TYPE-WRITING MACHINE.

SPECIFICATION forming part of Letters Patent No. 482,317, dated September 6, 1892.

Application filed June 18, 1891- certain arrangements of parts, more particularly with reference to the structure and operation of the mechanism for transmitting motion to the hammer and type-wheel, whereby the number of parts is greatly reduced, the action of the printing is rendered much easier, and the print and alignment is made as nearly perfect as possible, as will now be pointed out in detail.

Referring to the accompanying drawings,

' Figure l is a top or plan view of my improved type-writer; Fig. 2, an end view of the same; Fig. 3, an end view of the paper-holding tube and rollers, showing manner of separating the rollers; Fig. 4, a cross vertical section through line X of Fig. 1; Fig. 5, a horizontal section through line y of Fig. 2; Fig. 6, a view of Fig. 5 from the rear side of the machine; Fig. 7, a perspective view of the key-bar and key and portion of the type-wheel shaft and pulley; Fig. 8, a section through line 2 z, enlarged, showing the structure of the type-wheel and shaft; Fig. 9, a top view, enlarged, of the endless ribbon and rotatable ink-fountains; Fig. 10, a sectional view of one of the rotatable inkfountains; Fig. ll, a vertical section through line as, showing the action of the cap and figure keys on the type-wheel shaft; Fig. 12, a top view, enlarged, of the end of the carriage, showing a preferred form of construction of the roller-shaft to provide for variable linespacing; Fig. 13, an end view of same; and Fig. 14:, a perspective view of shaft, showing the different forms of collars thereon for making variable line-spaces.

In constructing my invention I first provide a suitable base, (shown in Figs. 1 and 4,) the rear portion being formed of two parallel bars A A,raised on short posts A A. These bars are provided with ways A on their inner sides to receive the carriage. The base ex- Serial No. 396,673. (No model.)

tends forward a suitable distance, terminating in a fan-shaped extension B, from which rises a curved plate B, in the upper edges of which is a sufficient number of vertical ways B to provide for the different characters in the instrument or for the different movements in the key-bar. At each end of this curved plate is a post 0, to which posts is attached a curved plate 0, on which are indicated the diiferent letters and characters which the instrument writes.

The carriage is composed of the lower parallel bars D D, gained on their lower edges to fit the notches A of the frame and slide upon them. To these bars D D at each end is secured a head D, having a circular opening D and extending from one head to the other, on the under side, is a raek-barE for moving the carriage. Between the heads D is a tube E, open on the front side, as shown at E to receive the sheet of paper.

E is a standard or post secured to the base and having its upper end provided with or formed into a hook extending around or overhanging the rack-bar E to hold the carriage in position.

Resting on top of the front bar D is an angled plate F, to the upper edge of which is attached one edge of the open tube E, as shown at F, while the other edge of the angled plate has gear-teeth F for transmitting motion to the inking-ribbon, as will be more fully explained hereinafter.

Approximately midway between the carriage and the forward end of the frame, at a central point, is a post G, having a square or rectangular base G. On one side of this rectangular base is a horizontal lever H, pivoted thereto at H. This lever extends back under the carriage and rests below the end of a trigger, while the forward end of the lever extends forward and passes through a vertical slot H in the curved plate B, terminating in a curved key-plate H which extends partially around the curved plate B. Above this lever, pivoted to the rectangular base G, is a lever on each side, which levers extend forward and diverge from each other, having their outer ends attached to a curved bar I, which rests close up to the inner side of the curved plate B. One of these levers I terminates at the pivotal point H, while the other lever I extends back under the carriage and is bent downward and to one side, so that it rests alongside of the rear end of the lever H beneath the trigger. Therear end of the lever I has a right-angled bend I paralel with the carriage, which bend rests beneath the inner end of the arm J, attached to the hammer J. Thelower end of the hammer J is secured to a semicircular piece J ,.the inner ends of which are hinged to posts J secured to the base beneath the carriage. It will thus be seen that when the spacing-lever H is moved the hammer is not set in action, but only the trigger for moving the carriage; but when the lever 1*, which is actuated when a character is struck, is moved both the spacing-trigger and the hammer are operated.

The trigger K is shown more fully in Fig. 6 and is horizontally disposed and is centrally hinged to a post K on the base beneath the carriage. One end of this trigger rests above the rear ends of the levers H I, as before described, and on the other end of the trigger is a tooth K adapted to engage with the toothed again moved up the pawl will move forward the carriage until the tooth K of the trigger again engages a tooth. A spring L below the trigger serves to keep the tooth K normally in contact with the rack-bar and to draw.

. along the carriage, as the latter is not proproaches a certain point, causing thelever to swing so that the ball strikes the bell, and thus signals when the end of a line is reached. About midway between the post G and the carriage is a post N, Fig. 8, and this post has two brackets N N a short distance apart.

Between the post N and the carriage is a vertical shaft 0, journaled in the brackets N" N This shaft has its lower end projecting a short distance below the lower bracket N, and above this bracket is a collar 0, fixed on the shaft, and interposed between this collar and the under side of the upper bracket N is a coiled spring 0 around the shaft 0 to keep the shaft down while the type-wheel is in motion. Directly above the upper bracket N the shaft 0 has a pulley or wheel P, by means of which the type wheel is driven. This pulley is loose on the shaft 0 and has a collar P above it, fixed to the shaft,

to prevent the pulley P- from moving up. The

collar is secured to the shaft by means of a set-screw P or otherwise. The upper end of the shaft has thereon the type-wheel Q, held in position loosely on the shaft by means of a screw Q. Projecting up from the pulley P near the edge is a stem R, which passes through the web of the type-wheel Q, so as to cause the type-wheel to turn in unison with the pulley *P, as the shaft 0 has no rotary motion, but is capable of a vertical motion onl Iii Fig. 7 I show the novel manner in which I turn the type-wheel. To the upper end of the post G, I hinge asegment S, the periphery of which is nearly in engagement with the pulley P. I then employ two narrow strips of steel S, securing their ends to the face of the pulley, one above the other, as shown at S and winding them around the pulley in opposite directions. The end of one strip I extend around the face of the segment in one direction and secure it to the end of thesegment, while the other strip is extended around the face of the segment in the other direction and secured. Asaresult whenever the segment turns the pulleyP rotates. The hinged end of the segment has an arm 8, which projects down a short distance, and has jointed thereto a horizontally-disposed arm T, thus forming a right angle, which projects forward, passing under the lettered plate 0', terminating near the inner edge of the curved plate B. This arm has a vertical slot T therein, in which is located a hinged bar T the forward end of this bar pro-i jecting out over the toothed curved plate B and terminating in a key or disk U, which has wings U on the sides. The object of these wings is to prevent the finger of the operator from slipping ofi while moving the key around the semicircular space. Below the bar and resting against the outer end is a spring U the inner end of which is secured to the under side of the arm. The object of this spring is to keep the bar T normally up to the position shown in Figs. 2 and 7. Two pointersV project up from the arm T and extend over the lettered plate 0 to indicate the exact position of the key.

The inking-ribbon is an endless tape WV, (shown more fully in Fig. 9,) which travels around four pulleys. The two forward pulleys W W'- are mounted onthe upper ends of vertically-disposed shafts W journaled in hole W is formed through the upper disk,

into which is poured theink. 5 Thus the absorbent material of which the pulleys are formed keep the ribbon W constantly moist.

The lower endof one of the shafts W has a gear-wheel X and engaging therewith and with the toothed rack F on the carriage is an intermediate spur-gear X whereby motion is imparted to the inking-ribbon whenever the carriage moves to and fro.

Directly above the opening E formed in the tube E, are two rollers Y, mounted in suitable ways Y and held together by a spiral spring Y at each end. The relative arrangement of the rollers YY and the feed-opening E of the cylinder or tube E, said opening being in alignment with the meeting surfaces of said rollers and the arrangement of said. opening itself with relation to the interior of said tube being at one side thereof, are such 3 that in the feeding of the sheet or paper it (the latter) will conform in its movement to the inner contour of the tube or cylinder, and thus take the form of a roll, fully utilizing the holding capacity of the tube or cylinder and providing for the proper storage of the paper and the storage of the maximum amount thereof. Between the journals of these rollers I place the downturned ends of the bar Z.

The end of the barZ is cam-shaped,as shown and permit the paper to be inserted between the two rollers. The right-hand end of the rear roller has its journal provided with a small wheel Z and by the side of the wheel is a collar Z with four or more flat faces thereon. A spring Z secured to the head D of the carriage, has its free end resting on this collar, so that in turning these rollers the lines will register perfectly.

In Figs. 12, 13, and 14 I show a preferred form of constructing the line-spacing mechanism. The spring-finger Z is secured to a slotted arm Z which projects out from the end of the carriage and is set at any desired point by means of a set-screw Z The collar Z, instead of having only the square face, as shown in Fig. 1, has two additional spaces, one having three and the other two faces, as shown more fully in Fig. 14, whereby I am enabled to make a greater or less distanoebetween the lines by simply moving the springfinger to the proper collar.

As this invention belongs to that class wherein the figures are placed in rows one above the other on atype-wheel, means must be provided for raising and lowering the typewheel. I perform this in a very simple manner by employing two levers a b, the former being for figures and the latter for caps. The

inner ends of these levers extend under the type-wheel shaft and are hinged centrally to ears 0 on the base. Their outer ends are provided withdisks d, as shown. The whole distinction between these two levers is that the tooth or stop a on the under edge of the lever a is set back further from the pivotal point, and thus gives a greater throw to the shaft 0 and brings up the third row of letters or characters instead of the second row.

In action the carriage can be moved to and fro by pressing on the lever H, which disengages'the trigger K and pawl, so that the carriage can be moved at will in either direction. In operation the finger of the right hand 15 placed on the key and the key-bar T turned to the proper character. Pressure is then exerted downwardly on the key -bar, whlch causes the latter to enter one of the vertical notches or detents B and in its downward movement the bar strikes the curved bar I,

depressing the same and throwing forward the hammer, as before described. When pressure on the bar is released, the trigger K and its pawl L move forward the carriage one point. In case caps or figures are desired the keys a b are employed to throw up the type-wheel, and these keys being in range of the lefthand the right hand need not move from its position on the type-bar key T Instead of employing the key-levers a hfor bringing up the caps and figures it is obvious that the curved toothed plate B can be enlarged and havea sufficient number of notches therein to provide for the entire set of characters, and the type-wheel can also be enlarged, so that the full set of characters will be in one line around the wheel. Such an arrangement would greatly cheapen the entire structure; but for general uses the form herein shown is more preferable and is easier to manipulate.

What I claim as new is 1. A type-writer having, in combination, a vertically-movable non-rotatable type-wheel shaft, a type-wheel rotatably mounted on its upper end, a pulley below said type-wheel, connected therewith by a vertical stem,a segmental wheel engaging with the pulley, and an arm connected with said segmental wheel having a hinged key-bar therein, as set forth.

2. A type-writer having, in combination, a vertically-movable non-rotatable type-wheel shaft, a type-wheel rotatably mounted on its upper end, a pulley below said type-wheel, connected therewith by a stem, a segmental wheel engaging with the pulley, an arm connected with said segmental wheel having a hinged key therein, a circular lettered plate above said arm, and a toothed circular plate below the hinged key, substantially as set forth.

3. A type-writer having beneath the carriage a toothed rack, in combination with a trigger centrally hinged, having at one end a tooth normally in engagement with the carriage-rack, a spring-pressed hinged pawl on the toothed end of the trigger, )rojecting in the direction of the pivot of the latter, a hinged lever having one end beneath the end of the trigger and its opposite end projecting forward and provided with a horizontal keybar, and a spring connected with said trigger for drawing the same back to its normal position and moving the carriage, substantially as set forth.

4. A type-writer having ahammer for printing the characters, in combination with a lever having at its inner end a lateral or rightangled bend adapted to actuate the hammer and a key-bar for throwing the proper character in position and operating said lever, substantially as set forth.

5. A type-writer havinga hammer for printing the characters, a trigger carrying alternately-actuatin g pawls, and the carriage actuated by said pawls, in combination with a lever adapted to simultaneously actuate said hammer and trigger and a key-bar for throwing the proper characters in position and operating said lever, substantially as set forth.

6. A type-writerhavingahammerforprinting the characters, a trigger carrying alternately-operating pawls, and the carriage actuated by said pawls, in combination with alever having the right-angled bend at one end, one arm of said bend being adapted to engage said trigger and the other arm to engage said hammer,and a key-bar for throwing the proper character in position and operating said leyer, substantially as specified.

7. A type-writer having, in combination, a vertically-movable type-wheel shaft carrying a pulley having a sliding stem connection with the rotatable type-wheel, a segmental wheel having connection with said pulley by oppositely-wound bands, and its arm provided with a hinged key-bar, substantially as and for the purposes set forth.

8. A type-writer having a sheet-feeder composed of two rolls mounted on the slotted paperreceivin g tube, said rollers mounted within keepers at each end and having a lever hinged between the journals of the rollers, having cams arranged between and for spreading apart said rollers, substantially as set forth.

9. In a type-writer, a carriage having two rollers movable to and from each other by the paper guard comprising the inverted-V- shaped wire guards adapted to overhang said rollers, one of the journals having a handwheel, and two or more setsof faces on said journal, and a spring-finger laterally movable and adapted to engage with either set of faces, substantially as set forth.

10. In a type-writer, a base having two horizontal parallel ways, in combination with a carriage mounted thereon having a central horizontal rack-bar beneath and a hooked post or standard extending up fromthe base and around said rack-bar to hold the carriage in position, substantially as set forth.

11. In a type-writer,a carriage composed of two horizontal parallel gained bars, a head at each end, having centrally below a connecting rack-bar and on the upper side keepers for rollers, in combination with said rollers, springs for holding the same together, and a lever with cams thereon arranged between and for separating said rollers, substantially as set forth.

12. A type-writer composed of aslidiug carriage provided with a rack-bar beneath, in combination with a trigger and pawl beneath said rack'bar having attached thereto the spring for moving the carriage and a lever having one end in engagement with but disconnected from the trigger and the other end within range of the operating-key, substantially as set forth.

13. A type-writer composed of a sliding carriage provided with a rack-bar beneath, in combination with a trigger and pawl, said trigger having attached thereto the spring for moving the carriage,a lever for operating but disconnected from said trigger independently of the printing mechanism, and a lever connected with the printing mechanism, substantially as set forth.

14. A type-writer composed of a. sliding carriage provided with a rack-bar, in combination with a trigger having a pawl adapted to normally engage said rack-bar and having-a spring-pressed pawl or latch also adapted to engage said rack-bar and move the carriage when the aforesaid pawl is disengaged from said rack-bar and having attached thereto the spring for actuating the carriage, and a lever having one end adapted to engage said trigger and the other end adapted to be actuated by the operating-key, substantially as and for the purpose set forth.

15. A frame composed of the single post with two brackets or ledges, a type-wheel shaft passing through said brackets, two ver' tical shafts on the front side, carrying on their upper ends rotatable ink-fountains, and on the rear side of the upper bracket two swiveled posts for holding vertically-disposed rollers, and the endless ribbon around said rollers.

16. Atype-writer having rotatableink-fountains and suitable tension-rollers and an endless ribbon around the same, in combination with inverted-U-shaped guard pieces over said tension-rollers, substantially as set forth.

Signed at New York, in the countyof New York and State of New York, this 16th day of June, A. D. 1891.

ADEMOR N. PETI'I. Witnesses:

J. BAPTIST MARSHALL, J. S. ZERBE.

IOC 

